Photo of actual patent models of a sugar evaporator (left), patented in 1881 and a stove (right) patented in 1876 (from a private collection). Prior to 1880, the U.S. Patent and Trademark Office required models to be submitted with patent applications. Currently, no models or prototypes are required in order to file a patent application. Click this link for more on patent models.
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Law Offices of Marc D. McHtinger, Ltd practices law in the following areas and works with its clients to provide the best possible legal solutions.
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Buffalo Grove, IL 60089